Materials Literature
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Evaluation of Double-Layer and Redox Capacitances of Activated Carbon Electrodes in N-Ethyl-N-methylpyrrolidinium Fluorohydrogenate Ionic Liquid, Taniki, Ryosuke, Matsumoto, Kazuhiko, Nohira, Toshiyuki, Hagiwara, Rika
The results of studies involving the innovative TiO 2 ‐SiO 2 /Ph‐POSS hybrid were presented. An inorganic TiO 2 ‐SiO 2 oxide composite was precipitated from an emulsion media. The functionalisation of surface for the obtained composite was carried out with the use of TriSilanolPhenyl POSS (Ph‐POSS) and a silane coupli…
Rarely known round silica tubes with a hollow shell and square silica tubes, in addition to convenient hollow spheres, hollow spheres with a hole, and helical nanoribbons, could be synthesized using organic templates from the same class of organic compounds, arylacrylonitrile tartaric acids. A novel process of dissolv…
As a fundamental element of a nanoscale passive circuit, a nano-inductor is proposed based on a hetero-nanotube consisting of a spiral carbon strip and a spiral boron nitride strip. It is shown by density functional theory associated with nonequilibrium Green function calculations that the nanotube exhibits attractive…
The phenomenon of stretched cells in the vicinity of an oscillating bubble is investigated in this work. Experiments reveal that a red blood cell can be stretched up to five times its initial size towards the end of the collapse of a laser-induced cavitation bubble. We hypothesize that the cell elasticity is crucial f…
A large (d33 ∼ 1 nm V−1) converse piezoelectric response of a polar smectic bent-core liquid crystal material confined in a biocompatible triblock copolymer was measured by Mirau interferometry. Small angle X-ray scattering (SAXS) results show that the liquid crystal–polymer composite becomes aligned during compressio…
Titanium dioxide nanotube (TNT) arrays were prepared in electrolytes containing fluoride by anodic oxidation. Different preparation parameters were investigated in order to evaluate their effects on length and inner diameter of nanotube, including weight ratio of glycerol to water, anodization voltage, electrolysis ti…
Mixed Mg-Cr Nano ferrites having the compositional formula MgCrxFe2-xO4 (where x = 0.0, 0.1, 0.3, 0.5, 0.7, 0.9 and 1.0) were synthesized using Citrate-Gel auto combustion method. Structural characterization was carried out by XRD Analysis which confirmed the formation of single phase cubic spinel structure without an…
We fabricated the multi-stacked graded refractive index (GRIN) porous amorphous germanium (a-Ge) films with linear, quintic, and Gaussian index profiles for their refractive indices at a wavelength of 1.33 μm by e-beam evaporation with a glancing angle deposition technique. The porous a-Ge films with inclined nanocolu…
In general, high mechanical properties such as higher impact strength and thermal resistance are required for injection molded applications. Recycled PET (RPET) is well known to exhibit brittle behavior in the presence of notches and indicated the low heat distortion temperature. Therefore, we tried to improve the tou…
A recent study of (111) twins in MgAl2O4 spinel crystals from Mogok (Burma) implied that twinning could be triggered by the presence of Be during crystal growth. Here we demonstrate that twinning in spinel is in fact chemically induced and is not a consequence of an accidental attachment of crystals. The growth condit…
The reactions of enantiopure chiral ligands (+)/(−)-4,5-pinenepyridyl-2-pyrazine (LS/LR) with CuCl2·2H2O in CH3OH/CH2Cl2 solution led to the formations of one-dimensional homochiral enantiomeric pairs with the formula [Cu(LR/S)Cl2]n·2H2O (R-1 and S-1, the isomers containing the LR and LS ligands, respectively). The ci…
New liquid crystalline 4-alkoxyphenyl-coumarin-3-carboxylates 6a–e, 7a–g, 8a–e, and 9a–e were prepared by reacting various coumarin-3-carboxylic acids 5a–d with 4-(alkoxy) phenols 4a–g in the presence of 1(3-dimethylaminopropyl-3-ethylcarbodiimide/dimethyl amino pyridine (EDCI/DMAP) as a coupling agent. The structures…
Ni 1− x Fe x O nanofibers with different Fe doping concentration have been synthesized by electrospinning method. An analysis of the phase composition and microstructure shows that Fe doping has no influence on the crystal structure and morphology of NiO nanofibers, which reveals that the doped Fe ions have been incor…
We investigated the dependence of the transport properties of heavily doped intratube single-walled carbon nanotube (SWCNT) p-i-n junctions on the length of the intrinsic region by using empirical self-consistent quantum transport simulations. When the length of the intrinsic region is scaled from a few angstroms to o…
Self-assembled stacks of trimeric manganese porphyrins exhibit high activity in the photocatalytic epoxidation of stilbene using O2 as the oxidant. The supramolecular structure of the catalyst leads to increased stability of the system and enhances the stereoselectivity of the reaction.
The magnetic electrospinning (MES) method has been applied to generate aligned nanofibers. But researchers have different viewpoints on the usage of magnetic particles in the polymeric solutions. In order to investigate the effect of magnetic particles in forming the ordered fibers, the poly(lactic‐co‐glycolic acid) s…
We discuss a simple mesoscopic model for creep of disordered materials based on a microscopic (random) threshold and an elastic quadrupolar interaction. A Kinetic Monte Carlo algorithm is implemented with an activation energy biased by the elastic stress field. A logarithmic creep behavior is obtained. A typical pheno…
The present analytical review is devoted to the current problem of thermodynamic stability and related thermodynamic characteristics of the following graphene layers systems: 1) double-side hydrogenated graphene of composition CH (theoretical graphane) (Sofo et al. 2007) and experimental graphane (Elias et al. 2009);…
To investigate methods of improving the tensile and fatigue properties of a solutionized Ti–29Nb–13Ta–4.6Zr (TNTZ) alloy without increasing its Young’ modulus, two types of TNTZ alloys having oxygen contents of 0.06 and 0.14 mass% (TNTZ–0.06O and TNTZ–0.14O), respectively, were subjected to cold swaging and a subseque…